170th Street over East Tarkio Creek
Fair Condition70 years old26 vehicles/day
Location
| State | Iowa |
| County | Page |
| Location | 069370701 |
| Carries | 170th Street |
| Crosses | East Tarkio Creek |
| Coordinates | 40.80051, -95.14366 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 128.9 ft (39.3 m) |
| Max Span | 43.0 ft (13.1 m) |
| Deck Width | 22.0 ft (6.7 m) |
| Deck Area | 263.3 sq m |
| Main Spans | 3 |
| Year Built | 1956 |
Traffic
| Avg Daily Traffic | 26 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2022 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000266590 |